.container {
display: flex;
justify-content: space-between;
align-items: center;
width: 1000px;
margin: 0 auto;
}
.left {
    flex:1;
    text-align: center;

}
.right {
    flex: 1;
    text-align: right;
}
.font {
       font-size: 40px;
    color: black;
}
.bk{
    background-color: rgba(4, 255, 34, 0.997);
}